Home / 14,140.05-19,512.95-7,852.43

Finding the Fourth Proportional to 14,140.05, 19,512.95 and 7,852.43

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Solution

The fourth proportional to 14,140.05, 19,512.95 and 7,852.43 is: 10,836.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.05 : 19,512.95 = 7,852.43 : x
  2. Step 2: Convert to fraction form
    14,140.05/19,512.95 = 7,852.43/x
  3. Step 3: Cross multiply
    14,140.05x = 19,512.95 × 7,852.43
  4. Step 4: Simplify right side
    14,140.05x = 153,223,937.14
  5. Step 5: Solve for x
    x = 153,223,937.14/14,140.05
  6. Step 6: Final answer
    x = 10,836.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.